Extract exercise struct to encapsulate path logic

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 348ce5f..c6fe705 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,6 +11,7 @@ console = "0.6.2"
 syntect = "3.0.2"
 notify = "4.0.0"
 toml = "0.4.10"
+serde = {version = "1.0.10", features = ["derive"]}
 
 [[bin]]
 name = "rustlings"